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9SL12085 - Lincoln Electric Wire Feed Drive Motor and Gearbox Assembly with Tachometer

Packaging: 1 of each
$834.04/ea $595.74/1 of each only $595.74/eaSave 29%

Usually ships within 3-5 business days

OVERVIEW

Get Your Wire Feeder Running Like New

Is your Lincoln wire feeder sputtering, stalling, or feeding at inconsistent speeds? The problem might be a worn-out drive motor. The Lincoln Electric Motor Gear Box (9SL12085) is the genuine replacement part you need to get back to laying smooth beads. This isn't just a motor; it's the complete heart of your drive system, including the gearbox and the essential tachometer sensor that tells your machine exactly how fast the wire is moving.

When the tachometer or motor brushes wear out, your welder loses its "brain" for speed control. You might dial in 300 IPM, but if the motor is tired, you might only get 250, or it might fluctuate while you weld. This leads to burn-backs, stubbing, and frustrating downtime. Swapping in this fresh OEM assembly restores that crisp, responsive wire feed you had when the machine was new. It is designed to fit perfectly into your Lincoln equipment, replacing older part numbers like L10699-5 without the need for modifications or "making it fit."

Don't risk your weld quality with aftermarket motors that might not talk to your machine's computer correctly. This unit is built to Lincoln's tough standards, ready to push wire day in and day out. whether you are in a heavy fabrication shop or a garage, reliable wire feeding is the key to frustration-free MIG and Flux-Cored welding. Install this motor, check your drive rolls and liner, and you'll be ready to tackle any project with confidence.

Additional Information
Brand:Lincoln Electric
Packaging Description:1-per-ea
Product Type:Motor Gear Box Assembly
Compatible Brand/Model:Lincoln Electric Wire Feeders
Component Type:Drive Motor, Tachometer

INCLUDED

  • 1 x Motor Gear Box Assembly
  • 1 x Integrated Tachometer Sensor
  • 1 x Wiring Harness/Leads (attached)

APPLICATIONS

  • Repair of Lincoln Electric wire feeders
  • Replacement of worn drive motors in MIG welding machines
  • Restoration of wire feed speed accuracy in automated systems
  • Maintenance of industrial fabrication equipment

FAQ

The tachometer measures the rotation speed of the motor and sends a signal back to the welder's control board. This allows the machine to adjust power automatically to maintain a constant wire feed speed, regardless of load.

Yes, this is an OEM (Original Equipment Manufacturer) Lincoln Electric part, ensuring exact specifications and fitment.

Yes, this unit is commonly used as the replacement for L10699-5 and related Lincoln drive motor assemblies.

Symptoms include erratic wire feeding, the motor running hot, unusual grinding noises from the gearbox, or the wire feeder stopping completely despite having power.

If you are comfortable with basic tools and electrical connections, yes. However, always disconnect power to the machine before servicing. If unsure, consult a certified repair technician.

No, this is the motor and gearbox assembly only. Drive rolls are sold separately and should be matched to your specific wire size and type.

No, it fits specific models. Please check your machine's parts manual or contact support with your code number to verify compatibility.